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Need help with overclocking Xeon E5430

post #1 of 4
Thread Starter 
Hello everybody,

I would like to ask for a help in over-clocking my E5430 to 3.8Ghz. I read some guides here, but I can't get stable overclock.

My configuration is following:

Asus P5QC
Intel Xeon E5430
Kingston HyperX 1600MHz 2x2GB (I'm not sure about exact model, AIDA says Kingston 9905403-174.A00LF, maybe it could be KHX1600C9AD3)
Cooler Master: Hyper 212 EVO

I managed to go to 3.2Ghz pretty easy. I just changed FSB to 400MHz, everything else on Auto and it works great. But I would like to go to 3.8GHz since this cooler can handle it very well.

Here are the settings which I tried and failed:

IMG_20150110_224232.jpg

IMG_20150110_224249.jpg

I suspect the problem with the RAM, but I can't be 100% sure. When I set my FSB to 480, RAM jumps to ~1800MHz. But since I don't want to overclock RAM and probably can't this high, I choose next lower frequency in menu "DRAM Frequency" which is 1601MHz.

I did testing with AIDA64 stability test with options "Stress CPU", "Stress FPU", "Stress cache", "Stress system memory" and it always fails. And this is why I suspect problem with RAM. If I uncheck option "Stress system memory", stability test does NOT detect problems.

But I don't know how to overcome this problem. As you can see I almost maxed out cpu voltage, I raised FSB Termination voltage and NB voltage pretty high but no dice (probably because problem is RAM?).

Can somebody suggest anything here? Thanks.
post #2 of 4
Thread Starter 
Anyone? I got a little better results with following settings:





So, with settings above I can go 20-30 minutes with Prime95 on blend test, where I could go only 5 min maximum with old settings.

And for some reason CPU-Z and AIDA64 show that my RAM is running on 1600MHz even though in BIOS it shows 1440MHz.
post #3 of 4
Thread Starter 
Silly me for thinking that someone on overclocking forum will help me...
post #4 of 4
Check out this post, it has explanation in why you cannot push above 450MHz FSB on that board with C2Quad processor.

Also it has OC template and stress testing methodology.

http://www.overclock.net/t/773046/official-asus-p5q-pro-turbo-pro-turbo-owners-club-all-asus-p45-mobo-owners-welcome/2260#post_12705525
Quote:
Your motherboard is not capable to run a Quad CPU over 460MHz FSB due poor CPU GTL voltage options in BIOS that are mandatory for stabilizing core that would error in Prime95 LARGE FFT test..

CHEERS..
     
CPUMotherboardGraphicsRAM
E6750 G0 @ 3.3GHz (1.25V LOAD) Asus P5KPL-VM G31 GeForce 8500GT @ 700/1600/445 Apacer 2x1GB 800MHz 
Hard DriveOptical DriveOSMonitor
Hitachi Deskstar 160GB (7200,8MB) LG DVD Win 7 Ultimate 64bit build 7601 LG 19" 
KeyboardPowerCaseMouse
5$ keyboard Cheap stuff Linkworld crappy/modded SmartBox cheap 
Mouse Pad
N/A 
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CPUMotherboardGraphicsRAM
E6750 G0 @ 3.3GHz (1.25V LOAD) Asus P5KPL-VM G31 GeForce 8500GT @ 700/1600/445 Apacer 2x1GB 800MHz 
Hard DriveOptical DriveOSMonitor
Hitachi Deskstar 160GB (7200,8MB) LG DVD Win 7 Ultimate 64bit build 7601 LG 19" 
KeyboardPowerCaseMouse
5$ keyboard Cheap stuff Linkworld crappy/modded SmartBox cheap 
Mouse Pad
N/A 
  hide details  
Reply
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